PT-2023-23122 · Unknown · Opc Ua .Net Standard Reference Server

Name of the Vulnerable Software and Affected Versions: OPC UA .NET Standard Reference Server versions prior to 1.4.371.86 Description: The issue allows remote attackers to send malicious requests that expose sensitive information by placing it into an error message. This error message may be seen...

(Pwn2Own) OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sendi...

PT-2023-7448 · Opc Foundation · Opc Foundation Ua .Net Standard

Name of the Vulnerable Software and Affected Versions: OPC Foundation UA .NET Standard affected versions not specified Description: This issue allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. The specific flaw exists...

Siemens SIMATIC NET CP 443-1 OPC UA Concurrent Execution Using Shared Resource with Improper Synchronization (CVE-2016-4955)

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service peer-variable clearing and association outage by sending 1 a spoofed crypto-NAK packet or 2 a packet with an incorrect MAC value at a certain time. This plugin only works with Tenable.ot...

Siemens SIMATIC NET CP 443-1 OPC UA Out-of-Bounds Read (CVE-2016-2518)

The MATCHASSOC function in NTP before version 4.2.8p9 and 4.3.x before 4.3.92 allows remote attackers to cause an out-of-bounds reference via an addpeer request with a large hmode value. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

Siemens SIMATIC NET CP 443-1 OPC UA Improper Input Validation (CVE-2016-9042)

An exploitable denial of service vulnerability exists in the origin timestamp check functionality of ntpd 4.2.8p9. A specially crafted unauthenticated network packet can be used to reset the expected origin timestamp for target peers. Legitimate replies from targeted peers will fail the origin...

Siemens SIMATIC NET CP 443-1 OPC UA Improper Input Validation (CVE-2016-4956)

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service interleaved-mode transition and time change via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC NET CP 443-1 OPC UA Improper Restriction of Operations Within the Bounds of a Memory Buffer (CVE-2017-6458)

Multiple buffer overflows in the ctlput functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. ...

Siemens in OPC Foundation Local Discovery Server

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please seeSiemens' ProductCERT Security Advisories CERT Services | Services |...

CVE-2022-37013

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 with vendor rollup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of...

CVE-2022-37012

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the...

CVE-2022-2561

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Deserialization of untrusted data

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

Design/Logic Flaw

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the...

Design/Logic Flaw

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 with vendor rollup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of...

CVE-2022-2561

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

CVE-2022-37013

Summary: CVE-2022-37013 affects Unified Automation OPC UA C++ Demo Server 1.7.6-537 (with vendor rollup). The root cause is in certificate handling, where a crafted certificate can force the server into an infinite loop, enabling a remote, unauthenticated denial‑of‑service. Documented by ZDI as t...

CVE-2022-2561

Summary: CVE-2022-2561 affects OPC Labs QuickOPC 2022.1. The issue stems from improper validation during XML processing in Connectivity Explorer, leading to deserialization of untrusted data and remote code execution in the current process. Exploitation requires user interaction (visiting a malic...

CVE-2022-37013

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 with vendor rollup. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of...

CVE-2022-2561

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OPC Labs QuickOPC 2022.1. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...